@import url();
*{
    padding: 0%;
    margin: 0%;
    box-sizing: border-box;
}

body {
    width: 100%;
    height: 100vh;
    background-color: #131312;
    font-family: 'Poppins' , sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
}

header {
    width: 85%;
    height: 95%;
    border: 1px solid #fff;
    display: flex;
    flex-wrap: wrap;
    overflow: hidden;
}

header .menu_side, .song_side {
    position: relative;
    width: 25%;
    height: 90%;
    /* border: 1px solid #fff; */
    background-color: #111727;
    box-shadow: 5px 0px 2px #090f1f;
    color: #fff;
}

header .song_side {
    width: 75%;
    background: #0b1320;
}

header .master_play {
    width: 100%;
    height: 10%;
    background: #111727;
    box-shadow: 0px 3px 8px #090f1f;
}

header .menu_side h1 {
    font-size: 20px;
    margin: 15px 0px 0px 20px;
    font-weight: 500;
}

header .menu_side .playlist {
    margin: 40px 0px 0px 20px;
}

header .menu_side .playlist h4 {
    font-size: 14px;
    font-weight: 400;
    padding-bottom: 10px;
    color: #4c5262;
    cursor: pointer;
    display: flex;
    align-items: center;
    transition: .3s linear;
}
header .menu_side .playlist h4:hover {
    color: #fff;
}
header .menu_side .playlist h4 span {
    position: relative;
    margin-right: 35px;
}
header .menu_side .playlist h4 span::before {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    border: 2px solid #4c5262;
    border-radius: 50%;
    top: -4px;
    transition: .3s linear;
}
header .menu_side .playlist h4:hover span::before {
    border: 2px solid #fff;
}
header .menu_side .playlist h4 .bi {
    display: none;
}
header .menu_side .playlist .active {
    color: #36e2ec;
}
header .menu_side .playlist .active span{
    display: none;
}
header .menu_side .playlist .active .bi{
    display: flex;
    margin-right: 20px;
}

header .menu_side .menu_song {
    width: 100%;
    height: 300px;
    /* border: 1px solid #fff; */
    margin-top: 40px;
}
header .menu_side .menu_song li {
    position: relative;
    list-style-type: none;
    padding: 5px 0px 5px 20px;
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    cursor: pointer;
    transition: .3s linear;
}
header .menu_side .menu_song li:hover {
    background: rgb(105, 105, 170, .1);
}
header .menu_side .menu_song li span {
    font-size: 12px;
    font-weight: 600;
    color: #4c5262;
}
header .menu_side .menu_song li img {
    width: 32px;
    height: 32px;
    margin-left: 25px;
}
header .menu_side .menu_song li h5 {
    font-size: 11px;
    margin-left: 15px;
}
header .menu_side .menu_song li h5 .subtitle{
    font-size: 9px;
    color: #4c5262;
}
header .menu_side .menu_song li .bi{
    position: absolute;
    right: 15px;
    top: 8px;
    font-size: 16px;
}

header .master_play {
    display: flex;
    align-items: center;
    padding: 0px 20px;
}
header .master_play .wave{
    width: 30px;
    height: 30px;
    /* border: 1px solid #fff; */
    padding-bottom: 5px;
    display: flex;
    align-items: flex-end;
    margin-right: 10px;
}
header .master_play .wave .wave1{
    width: 3px;
    height: 10px;
    margin-right: 3px;
    border-radius: 10px 10px 0px 0px;
    background: #36e2ec;
    animation: unset;
}
header .master_play .wave .wave1:nth-child(2){
    height: 13px;
    /* animation-delay: .4s ; */
}
header .master_play .wave .wave1:nth-child(3){
    height: 8px;
    /* animation-delay: .6s ; */
}


header .master_play .active2 .wave1{
    animation: wave .8s linear infinite;
}
header .master_play .active2 .wave1:nth-child(2){
    animation: wave .8s linear infinite;
}
header .master_play .active2 .wave1:nth-child(3){
    animation: wave .8s linear infinite;
}

@keyframes wave {
    0%{
        height: 10px;
    }
    50%{
        height: 20px;
    }
    100%{
        height: 10px;
    }
}


header .master_play img {
    width: 35px;
    height: 35px;
}
header .master_play h5{
    width: 130px;
    font-size: 13px;
    margin-left: 15px;
    color: #fff;
    line-height: 17px;
}
header .master_play h5 .subtitle{
    font-size: 11px;
    color: #4c5262;
}
header .master_play .icon{
    font-size: 20px;
    color: #fff;
    margin: 0px 20px 0px 40px;
}
header .master_play .icon .bi{
    cursor: pointer;
    outline: none;
}
header .master_play .icon .bi:nth-child(2){
    border: 1px solid rgb(105,105,170,.1);
    border-radius: 50%;
    padding: 1px 3px 0px 6px;
    margin: 0px 5px;
    transition: .3s linear;
}

header .master_play span {
    color: #fff;
    width: 32px;
    font-size: 11px;
    font-weight: 400;
}
header .master_play #currentStart {
    margin: 0px 0px 0px 20px;
}

header .master_play .bar {
    position: relative;
    width: 43%;
    height: 2px;
    background: rgb(105, 105, 170, .1);
    margin: 0px 15px 0px 10px;
}
header .master_play .bar .bar2{
    position: absolute;
    background: #36e2ec;
    width: 0%;
    height: 100%;
    top: 0;
}
header .master_play .bar .dot{
    position: absolute;
    width: 5px;
    height: 5px;
    background: #36e2ec;
    border-radius: 50%;
    left: 0%;
    top: -1px;
    transition: 1s linear;
}
header .master_play .bar .dot::before{
    content: '';
    position: absolute;
    width: 15px;
    height: 15px;
    border: 1px solid #36e2ec;
    border-radius: 50%;
    left: -6px;
    top: -6px;
    box-shadow: inset 0px 0px 3px #36e2ec;
}
header .master_play .bar input{
    position: absolute;
    width: 100%;
    top: -6px;
    left: 0;
    cursor: pointer;
    z-index: 99999;
    transition: 3s linear;
    opacity: 0;
}
header .master_play .vol{
    position: relative;
    width: 100px;
    height: 2px;
    margin-left: 50px;
    background: rgb(105, 105, 170,.1);
}
header .master_play .vol .bi{
    position: absolute;
    color: #fff;
    font-size: 25px;
    top: -17px;
    left: -30px;
}

header .master_play .vol input{
    position: absolute;
    width: 100%;
    top: -10px;
    left: 0;
    cursor: pointer;
    z-index: 99999;
    transition: 3s linear;
    opacity: 0;
}

header .master_play .vol .vol_bar{
    position: absolute;
    background: #36e2ec;
    width: 0%;
    height: 100%;
    top: 0;
}
header .master_play .vol .dot{
    position: absolute;
    width: 5px;
    height: 5px;
    background: #36e2ec;
    border-radius: 50%;
    left: 0%;
    top: -1px;
    transition: 1s linear;
}
header .master_play .vol .dot::before{
    content: '';
    position: absolute;
    width: 15px;
    height: 15px;
    border: 1px solid #36e2ec;
    border-radius: 50%;
    left: -6px;
    top: -6px;
    box-shadow: inset 0px 0px 3px #36e2ec;
}

header .song_side {
    z-index: 2;
}
header .song_side nav{
    width: 90%;
    height: 10%;
    margin: auto;
    /* border: 1px solid #fff; */
    display: flex;
    align-items: center;
    justify-content: space-between;
}
header .song_side nav ul{
    display: flex;
}
header .song_side nav ul li{
    position: relative;
    list-style-type: none;
    font-size: 13px;
    color: #4c5262;
    margin-right: 25px;
    cursor: pointer;
    transition: .3s linear;
}
header .song_side nav ul li:hover{
    color: #fff;
}
header .song_side nav ul li:nth-child(1){
    color: #fff;
}
header .song_side nav ul li span{
    position: absolute;
    width: 100%;
    height: 2.5px;
    background: #36e2ec;
    bottom: -5px;
    left: 0;
    border-radius: 20px;
}
header .song_side nav .search{
    position: relative;
    width: 40%;
    padding: 1px 10px;
    border-radius: 20px;
    color: gray;
}
header .song_side nav .search::before{
    position: absolute;
    content: '';
    width: 100%;
    height: 100%;
    border-radius: 20px;
    background: rgb(184, 184, 184,.1);
    backdrop-filter: blur(5px);
    z-index: -1;
}
header .song_side nav .search .bi{
    font-size: 13px;
    padding: 3px 0px 0px 10px;
}
header .song_side nav .search input{
    background: none;
    outline: none;
    border: none;
    padding: 0px 10px;
    color: #fff;
    font-size: 12px;
}
header .song_side nav .user{
    position: relative;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
}
header .song_side nav .user img{
    position: absolute;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    box-shadow: 2px 2px 8px #131312;
}
